Edging
Ch 1, working down length, * [sc in each of next 4 row-end sts, 2 sc in next row-end st] 7 times, sc in last 3 row-end sts, ch 1 *, working across foundation ch, sc in each ch across, ch 1; repeat from * to * once more; sc in each hdc across Row 38, ch 1; join with a slip st to first sc. Fasten off.

Finishing
When joining panels, place right sides together, join yarn in corner st and sc through back loops of both squares matching st for st.

Forming Cube
For sides of cube, join four panels to form a strip. Using the fifth panel as top of cube join strip to top. Lastly, join each of the remaining ends of strip together.

Cube Edging
With right side facing, join to bottom edge of cube in any stitch; ch 1, sc in each st and each ch-1 around; join with slip st to first sc. Fasten off. Weave in all ends.